DE69529381T2 - Warteschlangen-Arbitrierungsmechanismus für Datenverarbeitungssystem - Google Patents

Warteschlangen-Arbitrierungsmechanismus für Datenverarbeitungssystem

Info

Publication number
DE69529381T2
DE69529381T2 DE69529381T DE69529381T DE69529381T2 DE 69529381 T2 DE69529381 T2 DE 69529381T2 DE 69529381 T DE69529381 T DE 69529381T DE 69529381 T DE69529381 T DE 69529381T DE 69529381 T2 DE69529381 T2 DE 69529381T2
Authority
DE
Germany
Prior art keywords
bus
system controller
arbitration mechanism
data processing
processing system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69529381T
Other languages
English (en)
Other versions
DE69529381D1 (de
Inventor
Ravi Kumar Arimilli
John Michael Kaiser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69529381D1 publication Critical patent/DE69529381D1/de
Application granted granted Critical
Publication of DE69529381T2 publication Critical patent/DE69529381T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines
DE69529381T 1994-10-03 1995-09-08 Warteschlangen-Arbitrierungsmechanismus für Datenverarbeitungssystem Expired - Fee Related DE69529381T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/317,006 US6029217A (en) 1994-10-03 1994-10-03 Queued arbitration mechanism for data processing system

Publications (2)

Publication Number Publication Date
DE69529381D1 DE69529381D1 (de) 2003-02-20
DE69529381T2 true DE69529381T2 (de) 2003-10-23

Family

ID=23231709

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529381T Expired - Fee Related DE69529381T2 (de) 1994-10-03 1995-09-08 Warteschlangen-Arbitrierungsmechanismus für Datenverarbeitungssystem

Country Status (7)

Country Link
US (2) US6029217A (de)
EP (1) EP0706137B1 (de)
JP (1) JPH08123765A (de)
KR (1) KR100203441B1 (de)
AT (1) ATE231257T1 (de)
DE (1) DE69529381T2 (de)
ES (1) ES2186708T3 (de)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6363446B1 (en) * 1999-06-12 2002-03-26 Micron Technology, Inc. Method for selectively encoding bus grant lines to reduce I/O pin requirements
US6363447B1 (en) * 1999-06-12 2002-03-26 Micron Technology, Inc. Apparatus for selectively encoding bus grant lines to reduce I/O pin requirements
US6487637B1 (en) * 1999-07-30 2002-11-26 International Business Machines Corporation Method and system for clearing dependent speculations from a request queue
US6725307B1 (en) * 1999-09-23 2004-04-20 International Business Machines Corporation Method and system for controlling data transfers with physical separation of data functionality from address and control functionality in a distributed multi-bus multiprocessor system
US6609171B1 (en) * 1999-12-29 2003-08-19 Intel Corporation Quad pumped bus architecture and protocol
US6651128B1 (en) * 2000-02-10 2003-11-18 Advanced Micro Devices, Inc. Systems and methods for arbitrating between asynchronous and isochronous data for access to data transport resources
US6882649B1 (en) 2000-03-31 2005-04-19 Sun Microsystems, Inc. Least choice first arbiter
US7020161B1 (en) 2000-03-31 2006-03-28 Sun Microsystems, Inc. Prescheduling arbitrated resources
US7006501B1 (en) * 2000-03-31 2006-02-28 Sun Microsystems, Inc. Distributed least choice first arbiter
US6807165B2 (en) 2000-11-08 2004-10-19 Meshnetworks, Inc. Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel
US6873839B2 (en) 2000-11-13 2005-03-29 Meshnetworks, Inc. Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system
US7072650B2 (en) * 2000-11-13 2006-07-04 Meshnetworks, Inc. Ad hoc peer-to-peer mobile radio access system interfaced to the PSTN and cellular networks
US7151769B2 (en) * 2001-03-22 2006-12-19 Meshnetworks, Inc. Prioritized-routing for an ad-hoc, peer-to-peer, mobile radio access system based on battery-power levels and type of service
AU2002314824A1 (en) * 2001-06-14 2003-01-02 Meshnetworks, Inc. Routing algorithms in a mobile ad-hoc network
US7072323B2 (en) * 2001-08-15 2006-07-04 Meshnetworks, Inc. System and method for performing soft handoff in a wireless data network
US7206294B2 (en) * 2001-08-15 2007-04-17 Meshnetworks, Inc. Movable access points and repeaters for minimizing coverage and capacity constraints in a wireless communications network and a method for using the same
US7349380B2 (en) * 2001-08-15 2008-03-25 Meshnetworks, Inc. System and method for providing an addressing and proxy scheme for facilitating mobility of wireless nodes between wired access points on a core network of a communications network
US7613458B2 (en) * 2001-08-28 2009-11-03 Meshnetworks, Inc. System and method for enabling a radio node to selectably function as a router in a wireless communications network
US7145903B2 (en) * 2001-09-06 2006-12-05 Meshnetworks, Inc. Multi-master bus architecture for system-on-chip designs
CA2461021A1 (en) * 2001-09-25 2003-04-03 Meshnetworks, Inc. A system and method employing algorithms and protocols for optimizing carrier sense multiple access (csma) protocols in wireless networks
US6754188B1 (en) 2001-09-28 2004-06-22 Meshnetworks, Inc. System and method for enabling a node in an ad-hoc packet-switched wireless communications network to route packets based on packet content
US6768730B1 (en) 2001-10-11 2004-07-27 Meshnetworks, Inc. System and method for efficiently performing two-way ranging to determine the location of a wireless node in a communications network
US6771666B2 (en) 2002-03-15 2004-08-03 Meshnetworks, Inc. System and method for trans-medium address resolution on an ad-hoc network with at least one highly disconnected medium having multiple access points to other media
US6982982B1 (en) 2001-10-23 2006-01-03 Meshnetworks, Inc. System and method for providing a congestion optimized address resolution protocol for wireless ad-hoc networks
US6937602B2 (en) * 2001-10-23 2005-08-30 Meshnetworks, Inc. System and method for providing a congestion optimized address resolution protocol for wireless ad-hoc networks
US7181214B1 (en) 2001-11-13 2007-02-20 Meshnetworks, Inc. System and method for determining the measure of mobility of a subscriber device in an ad-hoc wireless network with fixed wireless routers and wide area network (WAN) access points
US6968431B2 (en) * 2001-11-15 2005-11-22 International Business Machines Corporation Method and apparatus for livelock prevention in a multiprocessor system
US7136587B1 (en) 2001-11-15 2006-11-14 Meshnetworks, Inc. System and method for providing simulated hardware-in-the-loop testing of wireless communications networks
US6728545B1 (en) 2001-11-16 2004-04-27 Meshnetworks, Inc. System and method for computing the location of a mobile terminal in a wireless communications network
US7221686B1 (en) 2001-11-30 2007-05-22 Meshnetworks, Inc. System and method for computing the signal propagation time and the clock correction for mobile stations in a wireless network
US7190672B1 (en) 2001-12-19 2007-03-13 Meshnetworks, Inc. System and method for using destination-directed spreading codes in a multi-channel metropolitan area wireless communications network
US7180875B1 (en) 2001-12-20 2007-02-20 Meshnetworks, Inc. System and method for performing macro-diversity selection and distribution of routes for routing data packets in Ad-Hoc networks
US7106707B1 (en) 2001-12-20 2006-09-12 Meshnetworks, Inc. System and method for performing code and frequency channel selection for combined CDMA/FDMA spread spectrum communication systems
US7280545B1 (en) 2001-12-20 2007-10-09 Nagle Darragh J Complex adaptive routing system and method for a nodal communication network
US7072618B1 (en) 2001-12-21 2006-07-04 Meshnetworks, Inc. Adaptive threshold selection system and method for detection of a signal in the presence of interference
US7080174B1 (en) * 2001-12-21 2006-07-18 Unisys Corporation System and method for managing input/output requests using a fairness throttle
US7073005B1 (en) * 2002-01-17 2006-07-04 Juniper Networks, Inc. Multiple concurrent dequeue arbiters
US6674790B1 (en) 2002-01-24 2004-01-06 Meshnetworks, Inc. System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread
US7352741B2 (en) * 2002-02-21 2008-04-01 Sun Microsystems, Inc. Method and apparatus for speculative arbitration
US7058018B1 (en) 2002-03-06 2006-06-06 Meshnetworks, Inc. System and method for using per-packet receive signal strength indication and transmit power levels to compute path loss for a link for use in layer II routing in a wireless communication network
US6617990B1 (en) 2002-03-06 2003-09-09 Meshnetworks Digital-to-analog converter using pseudo-random sequences and a method for using the same
US6904021B2 (en) 2002-03-15 2005-06-07 Meshnetworks, Inc. System and method for providing adaptive control of transmit power and data rate in an ad-hoc communication network
ATE400121T1 (de) 2002-03-15 2008-07-15 Meshnetworks Inc System und verfahren zur selbstkonfiguration und entdeckung von ip-zu-mac-adressenabbildungen und der gatewaypräsenz
US7085889B2 (en) 2002-03-22 2006-08-01 Intel Corporation Use of a context identifier in a cache memory
US6987795B1 (en) 2002-04-08 2006-01-17 Meshnetworks, Inc. System and method for selecting spreading codes based on multipath delay profile estimation for wireless transceivers in a communication network
US7200149B1 (en) 2002-04-12 2007-04-03 Meshnetworks, Inc. System and method for identifying potential hidden node problems in multi-hop wireless ad-hoc networks for the purpose of avoiding such potentially problem nodes in route selection
US7697420B1 (en) 2002-04-15 2010-04-13 Meshnetworks, Inc. System and method for leveraging network topology for enhanced security
US6580981B1 (en) 2002-04-16 2003-06-17 Meshnetworks, Inc. System and method for providing wireless telematics store and forward messaging for peer-to-peer and peer-to-peer-to-infrastructure a communication network
US7107498B1 (en) 2002-04-16 2006-09-12 Methnetworks, Inc. System and method for identifying and maintaining reliable infrastructure links using bit error rate data in an ad-hoc communication network
US7142524B2 (en) * 2002-05-01 2006-11-28 Meshnetworks, Inc. System and method for using an ad-hoc routing algorithm based on activity detection in an ad-hoc network
US6970444B2 (en) 2002-05-13 2005-11-29 Meshnetworks, Inc. System and method for self propagating information in ad-hoc peer-to-peer networks
US7284268B2 (en) 2002-05-16 2007-10-16 Meshnetworks, Inc. System and method for a routing device to securely share network data with a host utilizing a hardware firewall
US7016306B2 (en) * 2002-05-16 2006-03-21 Meshnetworks, Inc. System and method for performing multiple network routing and provisioning in overlapping wireless deployments
US7167715B2 (en) * 2002-05-17 2007-01-23 Meshnetworks, Inc. System and method for determining relative positioning in AD-HOC networks
US7106703B1 (en) 2002-05-28 2006-09-12 Meshnetworks, Inc. System and method for controlling pipeline delays by adjusting the power levels at which nodes in an ad-hoc network transmit data packets
US7610027B2 (en) * 2002-06-05 2009-10-27 Meshnetworks, Inc. Method and apparatus to maintain specification absorption rate at a wireless node
US6744766B2 (en) 2002-06-05 2004-06-01 Meshnetworks, Inc. Hybrid ARQ for a wireless Ad-Hoc network and a method for using the same
US7054126B2 (en) * 2002-06-05 2006-05-30 Meshnetworks, Inc. System and method for improving the accuracy of time of arrival measurements in a wireless ad-hoc communications network
US6687259B2 (en) 2002-06-05 2004-02-03 Meshnetworks, Inc. ARQ MAC for ad-hoc communication networks and a method for using the same
WO2003105353A2 (en) * 2002-06-11 2003-12-18 Meshnetworks, Inc. System and method for multicast media access using broadcast transmissions with multiple acknowledgments in an ad-hoc communications network
US7215638B1 (en) 2002-06-19 2007-05-08 Meshnetworks, Inc. System and method to provide 911 access in voice over internet protocol systems without compromising network security
US7072432B2 (en) * 2002-07-05 2006-07-04 Meshnetworks, Inc. System and method for correcting the clock drift and maintaining the synchronization of low quality clocks in wireless networks
US7796570B1 (en) 2002-07-12 2010-09-14 Meshnetworks, Inc. Method for sparse table accounting and dissemination from a mobile subscriber device in a wireless mobile ad-hoc network
US7046962B1 (en) 2002-07-18 2006-05-16 Meshnetworks, Inc. System and method for improving the quality of range measurement based upon historical data
US7042867B2 (en) * 2002-07-29 2006-05-09 Meshnetworks, Inc. System and method for determining physical location of a node in a wireless network during an authentication check of the node
WO2004064303A2 (en) * 2003-01-13 2004-07-29 Meshnetworks, Inc. Method for continuous connectivity to an access point in a wireless network
KR20050117557A (ko) * 2003-03-13 2005-12-14 메시네트웍스, 인코포레이티드 저속 중앙처리장치를 이용하는 무선 애드-혹 통신네트워크에 있어서 이동 가입자에 대한 위치계산의정확도를 향상시키기 위한 시스템 및 방법
WO2004084462A2 (en) * 2003-03-14 2004-09-30 Meshnetworks, Inc. A system and method for analyzing the precision of geo-location services in a wireless network terminal
US7308510B2 (en) * 2003-05-07 2007-12-11 Intel Corporation Method and apparatus for avoiding live-lock in a multinode system
WO2004110082A1 (en) * 2003-06-05 2004-12-16 Meshnetworks, Inc. System and method for determining location of a device in a wireless communication network
WO2004109476A2 (en) * 2003-06-05 2004-12-16 Meshnetworks, Inc. System and method to maximize channel utilization in a multi-channel wireless communication network
JP5037120B2 (ja) * 2003-06-05 2012-09-26 メッシュネットワークス インコーポレイテッド アドホック無線通信ネットワークにおける最適なルーティング
US7116632B2 (en) * 2003-06-05 2006-10-03 Meshnetworks, Inc. System and method for determining synchronization point in OFDM modems for accurate time of flight measurement
EP1632044B1 (de) * 2003-06-06 2011-10-19 Meshnetworks, Inc. Verfahren zur verbesserung der gesamtleistungsfähigkeit eines drahtlosen kommunikationsnetzes
JP2007526445A (ja) * 2003-06-06 2007-09-13 メッシュネットワークス インコーポレイテッド 受信信号強度表示および信号伝搬時間を用いて、救助が必要な消防士がいるフロア番号を特定するシステムおよび方法
US7558818B2 (en) * 2003-06-06 2009-07-07 Meshnetworks, Inc. System and method for characterizing the quality of a link in a wireless network
JP5054377B2 (ja) 2003-06-06 2012-10-24 メッシュネットワークス インコーポレイテッド アドホック・ネットワークにおけるフェアネスおよびサービスの差別化を実現するシステムおよび方法
KR20050043426A (ko) * 2003-11-06 2005-05-11 삼성전자주식회사 파이프라인 버스 시스템에서 커맨드 전송 방법 및 장치
US7167463B2 (en) * 2004-10-07 2007-01-23 Meshnetworks, Inc. System and method for creating a spectrum agile wireless multi-hopping network
US7808904B2 (en) * 2004-11-18 2010-10-05 Fortinet, Inc. Method and apparatus for managing subscriber profiles
WO2007029053A1 (en) 2005-09-09 2007-03-15 Freescale Semiconductor, Inc. Interconnect and a method for designing an interconnect
KR100818298B1 (ko) * 2005-12-08 2008-03-31 한국전자통신연구원 가변 시리얼 정합 방식의 메모리 시스템 및 그 메모리액세스 방법
US8078781B2 (en) 2006-08-23 2011-12-13 Freescale Semiconductor, Inc. Device having priority upgrade mechanism capabilities and a method for updating priorities
WO2008023219A1 (en) * 2006-08-23 2008-02-28 Freescale Semiconductor, Inc. Pipelined device and a method for executing transactions in a pipelined device
GB2447690B (en) * 2007-03-22 2011-06-08 Advanced Risc Mach Ltd A Data processing apparatus and method for performing multi-cycle arbitration
US7801852B2 (en) * 2007-07-31 2010-09-21 Oracle International Corporation Checkpoint-free in log mining for distributed information sharing
US9230002B2 (en) * 2009-01-30 2016-01-05 Oracle International Corporation High performant information sharing and replication for single-publisher and multiple-subscriber configuration
US9996431B2 (en) 2016-03-23 2018-06-12 GM Global Technology Operations LLC Architecture and apparatus for advanced arbitration in embedded controls

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4482949A (en) * 1981-07-20 1984-11-13 Motorola, Inc. Unit for prioritizing earlier and later arriving input requests
US4481572A (en) * 1981-10-13 1984-11-06 Teledyne Industries, Inc. Multiconfigural computers utilizing a time-shared bus
JPH01305461A (ja) 1988-06-03 1989-12-08 Hitachi Ltd バス使用権制御方式
US4924380A (en) * 1988-06-20 1990-05-08 Modular Computer Systems, Inc. (Florida Corporation) Dual rotating priority arbitration method for a multiprocessor memory bus
JPH0279153A (ja) 1988-09-16 1990-03-19 Mitsubishi Electric Corp バス使用権制御装置
US5050066A (en) * 1988-10-14 1991-09-17 Intel Corporation Apparatus with a single memory and a plurality of queue counters for queuing requests and replies on a pipelined packet bus
US5006982A (en) * 1988-10-21 1991-04-09 Siemens Ak. Method of increasing the bandwidth of a packet bus by reordering reply packets
US4953081A (en) * 1988-12-21 1990-08-28 International Business Machines Corporation Least recently used arbiter with programmable high priority mode and performance monitor
JPH02222058A (ja) 1989-02-23 1990-09-04 Mitsubishi Electric Corp マルチプロセッサシステム
US5345578A (en) * 1989-06-30 1994-09-06 Digital Equipment Corporation Competitive snoopy caching for large-scale multiprocessors
US5303382A (en) * 1989-09-21 1994-04-12 Digital Equipment Corporation Arbiter with programmable dynamic request prioritization
US5168570A (en) * 1989-12-29 1992-12-01 Supercomputer Systems Limited Partnership Method and apparatus for a multiple request toggling priority system
US5210741A (en) * 1990-06-29 1993-05-11 Digital Equipment Corporation Low cost ISDN switch
US5103393A (en) * 1990-06-29 1992-04-07 Digital Equipment Corporation Method of dynamically allocating processors in a massively parallel processing system
JPH04116762A (ja) 1990-09-07 1992-04-17 Nec Corp スピン・ロック制御方式
CA2051029C (en) * 1990-11-30 1996-11-05 Pradeep S. Sindhu Arbitration of packet switched busses, including busses for shared memory multiprocessors
JP2751660B2 (ja) 1991-04-09 1998-05-18 日本電気株式会社 マルチプロセッサ・システム
US5276887A (en) * 1991-06-06 1994-01-04 Commodore Electronics Limited Bus arbitration system for granting bus access to devices following two-wire bus arbitration protocol and devices following three-wire bus arbitration protocol
US5426765A (en) * 1991-08-30 1995-06-20 Compaq Computer Corporation Multiprocessor cache abitration
US5335335A (en) * 1991-08-30 1994-08-02 Compaq Computer Corporation Multiprocessor cache snoop access protocol wherein snoop means performs snooping operations after host bus cycle completion and delays subsequent host bus cycles until snooping operations are completed
US5202966A (en) * 1991-09-06 1993-04-13 Rockwell International Corporation Centralized bus arbitration circuit
US5485586A (en) * 1992-01-10 1996-01-16 Digital Equipment Corporation Queue based arbitration using a FIFO data structure
JPH05210640A (ja) 1992-01-31 1993-08-20 Hitachi Ltd マルチプロセッサシステム
DE69319763T2 (de) * 1992-03-04 1999-03-11 Motorola Inc Verfahren und Gerät zur Durchführung eines Busarbitrierungsprotokolls in einem Datenverarbeitungssystem
EP0559408B1 (de) * 1992-03-04 1998-08-26 Motorola, Inc. Verfahren und Gerät zur Busarbitrierungsdurchführung mit einem Arbiter in einem Datenverarbeitungssystem
US5442634A (en) * 1992-03-26 1995-08-15 Motorola, Inc. Resource allocation to non-critical users
JPH05313923A (ja) 1992-05-07 1993-11-26 Ricoh Co Ltd 共有資源の排他制御装置
JPH0660015A (ja) * 1992-06-08 1994-03-04 Mitsubishi Electric Corp 情報処理装置
US5448701A (en) * 1992-12-22 1995-09-05 International Business Machines Corporation Flow controller for shared bus used by plural resources
US5557528A (en) * 1993-11-23 1996-09-17 Storage Technology Corporation Task prioritization for a tape storage system
US5473762A (en) * 1994-01-25 1995-12-05 Apple Computer Inc. Method and system for pipelining bus requests
US5623628A (en) * 1994-03-02 1997-04-22 Intel Corporation Computer system and method for maintaining memory consistency in a pipelined, non-blocking caching bus request queue

Also Published As

Publication number Publication date
ES2186708T3 (es) 2003-05-16
ATE231257T1 (de) 2003-02-15
EP0706137A1 (de) 1996-04-10
JPH08123765A (ja) 1996-05-17
DE69529381D1 (de) 2003-02-20
KR960015253A (ko) 1996-05-22
KR100203441B1 (ko) 1999-06-15
US6286068B1 (en) 2001-09-04
US6029217A (en) 2000-02-22
EP0706137B1 (de) 2003-01-15

Similar Documents

Publication Publication Date Title
DE69529381D1 (de) Warteschlangen-Arbitrierungsmechanismus für Datenverarbeitungssystem
US5901295A (en) Address and data bus arbiter for pipelined transactions on a split bus
DE69322248D1 (de) Reservierung, die den normalen vorrang von mikroprozessoren in multiprozessorrechnersystemen annulliert
US6665756B2 (en) Bus interface unit for reflecting state information for a transfer request to a requesting device
TW260769B (de)
ATE148242T1 (de) Priorisierung von mikroprozessoren in multiprozessorrechnersystemen
US6012118A (en) Method and apparatus for performing bus operations in a computer system using deferred replies returned without using the address bus
CA2058581A1 (en) Apparatus and method for a synchronous, high speed, packet-switched bus
EP0518527A3 (de) Verfahren zur Verminderung der Restbandbreite eines Busses in einem Rechnersystem
CA2007737C (en) Data transfer operations between two asynchronous buses
WO2003019399A9 (en) A multiprocessor infrastructure for providing flexible bandwidth allocation via multiple instantiations of separate data buses, control buses and support mechanisms
US6782439B2 (en) Bus system and execution scheduling method for access commands thereof
US5649209A (en) Bus coupling information processing system for multiple access to system bus
US5968144A (en) System for supporting DMA I/O device using PCI bus and PCI-PCI bridge comprising programmable DMA controller for request arbitration and storing data transfer information
Bryg et al. A high-performance, low-cost multiprocessor bus for workstations and midrange servers
EP0924623A3 (de) Rechnersystem mit Arbitrierungsvorrichtung, die mehrere Bus-Master befähigt, auf einen Grafikbus zuzugreifen
US5708783A (en) Data bus arbiter for pipelined transactions on a split bus
US5815676A (en) Address bus arbiter for pipelined transactions on a split bus
JP2684793B2 (ja) 情報処理装置
JPH01305461A (ja) バス使用権制御方式
JPH0895899A (ja) Ｄｍａ転送制御装置
DE60022952D1 (de) Verteilter Bus für Dienstanforderungen mit Token zur Auflösung von Kollisionen
JPH0666060B2 (ja) バス優先権制御方式
JPH04335457A (ja) バスアービトレーション・システム
JPH11143825A (ja) バス調停機構

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee